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Re: "INDENTRA" train describer loops: ??? (564083)

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Posted by British James on Sat Sep 13 13:21:14 2003, in response to Re: "INDENTRA" train describer loops: ???,
posted by RonInBayside on Fri Sep 12 15:12:23 2003.

So they actually need only two marker lights to give four readings.

(1 OFF-OFF, 2 OFF-ON, 3 ON-OFF, 4 ON-ON).

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